condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	18.8	6.7	30.9
12 h after light	15.649999999999999	12.6	18.7
4 h after dark	4.9	3.4	6.4
8 h after dark	19.9	10.9	28.9
12 h after dark	16.049999999999997	10.2	21.9